Here's a breakdown of their classification:
* Kingdom: Animalia (Animals)
* Phylum: Chordata (Animals with a backbone)
* Class: Mammalia (Mammals)
* Order: Erinaceomorpha (Hedgehogs and gymnures)
* Family: Erinaceidae (Hedgehogs)
* Genus: *Erinaceus* (European hedgehogs) or other genera depending on the species
* Species: For example, *Erinaceus europaeus* (European hedgehog)